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Maxstar 200 SD Wiring Question

09-20-2013, 01:55 PM

Hello All,
Picked up a new to me Maxstar 200 and would like to inquire if anyone here knows the proper internal power connection? This unit has a 16 foot power cord with a 50 amp dryer plug attached, and a home made 50 amp to standard 110 pigtail. The unit runs connected to 110. I would like to run it on 230, but would like to make sure it is wired correctly. The fact that it has a long power cord makes me think it has a non Miller addition to it. I want to make sure I plug it in to 230 I dont fry it. If anyone can help it would be much appreciated. I can post pictures here, or email them, of the existing connections.
Thanks
Ken

Hello All,
Picked up a new to me Maxstar 200 and would like to inquire if anyone here knows the proper internal power connection? This unit has a 16 foot power cord with a 50 amp dryer plug attached, and a home made 50 amp to standard 110 pigtail. The unit runs connected to 110. I would like to run it on 230, but would like to make sure it is wired correctly. The fact that it has a long power cord makes me think it has a non Miller addition to it. I want to make sure I plug it in to 230 I dont fry it. If anyone can help it would be much appreciated. I can post pictures here, or email them, of the existing connections.
Thanks
Ken

That Maxstar senses the voltage and adjusts it has Auto-Line Power Management Technology

Here is a link to the manual... just plug in your serial number to get the right version..

Comment

Thanks H80N and cruizer. I have the schematics, but dont understand them that well.
So, L1 (black) and L2 (white) of 230 single phase landed on 1 and 2 of the switch, and 3 at the switch with nothing, because there is no third or red wire?
Thanks.

Comment

Comment

I agree. It runs now, though I havent welded with it. Could it be damaged being wired this way? As I said, I dont savvy schematics all thet well. The L1,L2,L3 run from left to right in my picture, according to the corresponding wires from the switch to the circuit board. So I take white off of L3 at the switch and land it on L2 and I am good?

Also, I am assuming it will run better on 230. Is that correct?
Thanks for the time.
Ken

Comment

Please stand by. Trying to get in touch with the original user that set it up this way, and see what they were thinking. It was for some scientific project where they were (trying??) welding some very thin pieces of tungsten. I just want to use it for gun parts.

Comment

Got in touch with previous owner, and he had no clue why it was done this way. I guess I'll hook it up like the drawing says and see what happens. He did say it worked well on the lowest setting for the job they were doing with it (welding some very thin wires).

Comment

I'm in the identical situation as the original poster - glad I found the thread. Quick question - was the Auto-Line feature on all Maxstar 200SDs? I hate making assumptions like that. I think mine is an older unit. SN LC507419

Comment

I'm in the identical situation as the original poster - glad I found the thread. Quick question - was the Auto-Line feature on all Maxstar 200SDs? I hate making assumptions like that. I think mine is an older unit. SN LC507419